The Parker Solar Probe will study the Sun’s corona and its electric and magnetic fields, as well as the mechanisms that drive the solar wind, all from behind an advanced protective heat shield.
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Kīlauea Eruption Abruptly Slows Down
Volcanologists say it’s too soon to know whether the sudden drop in activity signals the end of the eruption or just a pause.
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Dinosaur-Killing Asteroid Impact Made Huge Dead Zones in Oceans
The discovery reveals similarities between the extinction event that ended the Mesozoic Era and human-driven global warming.
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Audio Reveals Sizes of Methane Bubbles Rising from the Seafloor
A sensitive underwater microphone captures the sounds of methane, a potent greenhouse gas, escaping into waters off the coast of Oregon. Using this sound, researchers can estimate the bubbles’ sizes.
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U.S. Senate Reviews NASA’s Science Priorities
The search for life, developing flagship telescopes, partnering with the private sector, and maintaining Earth science programs should be top priorities for the space agency, say witnesses.
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Severe Drought May Have Helped Hasten Ancient Maya’s Collapse
Chemical signatures from sediments in lake cores reveal that the centuries-long drought during the fall of Classic Maya civilization was worse than researchers had imagined.
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Two Active Volcanoes in Japan May Share a Magma Source
Evidence collected following the 2011 eruption of Japan’s Shinmoedake volcano suggests that the powerful event affected the behavior of an active caldera nearby.
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Just How Anomalous Is the Vast Baltic Sea Dead Zone?
Newly drilled cores from the Baltic Sea reveal 1,500 years of deoxygenation history. The record sheds light on the dire state of the Baltic Sea today.
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Edward L. Chupp (1927–2017)
This pioneer in high-energy solar physics devised instruments for observing solar and cosmic ray emissions with which he detected, for the first time, nuclear gamma rays from solar flares.
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What Can NASA Do to Better Protect the Planets It Probes?
A new report found that decades-old policies, unclear strategies, and regulatory gaps may create future problems for the agency. Here are four ways to head off these problems.